Coming up on Saturday, September 29, 2012 is the annual Smithsonian Magazine Museum Day! On this day, participating museums will admit a visitor with a Museum Day Pass and one guest for free. (One ticket per household, for two people; additional guests will have to pay full admission.) Get your Museum Day Pass at http://www.smithsonianmag.com/museumday. NOTE: When you register for your museum pass, you need to specify which museum you plan to visit. Visit the Find a Museum page to locate a participating museum in your area.